6 1 50 Suminar Achmadi Translator Ralph H Petrucci Primary Author mixed material Jakarta Penerbit Erlangga 1999 Prinsip dan terapan modern Suminar Achmadi Primary Author Ralp H. Petrucci Primary Author mixed material Jakarta Erlangga 1985 John Daintith Additional Author Suminar Achmadi Additional Author Marias Additional Author Dion P Sihotang Additional Author mixed material Jakarta Erlangga 1999 Prinsip dan terapan modern Suminar Achmadi Additional Author Ralph H Petrucci Additional Author mixed material 22000251 Jakarta Erlangga 1999 Suminar Setiati Achmadi Primary Author mixed material 979803483x Jakarta Penerbit Universitas Indonesia 2009 Suminar Setiati Achmadi Primary Author mixed material 9786232664807 Jakarta Erlangga 2021